Brookhaven climate

Brookhaven Weather in August

NOAA 1991-2020 normals for Morgantown Hart Fld, 3.6 km from Brookhaven

Average highs run from 84°F on August 1 to 82°F on August 31, and lows from 64°F to 61°F. Normal precipitation for the month is 3.65 in over about 11 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Brookhaven, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
63°F
Precipitation
3.65 in
Record high
99°FAug 17, 1988
Record low
38°FAug 29, 1982
Chance of a freeze
0%
Days of 90°F or more
3.7
Daylight
14 h 13 min to 13 h 05 min
Cloud cover
59%
Humidity
70%
Dew point
60°F
Wind
3.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 184°F64°F97°F 197552°F 195239%0%
Aug 284°F64°F97°F 197552°F 197638%0%
Aug 384°F64°F97°F 199552°F 196538%0%
Aug 484°F63°F97°F 195547°F 196538%0%
Aug 584°F63°F95°F 195549°F 195138%0%
Aug 684°F63°F94°F 202445°F 195737%0%
Aug 784°F63°F92°F 199848°F 195737%0%
Aug 884°F63°F92°F 200748°F 197537%0%
Aug 984°F63°F94°F 189246°F 198937%0%
Aug 1084°F63°F94°F 198851°F 187937%0%
Aug 1184°F63°F95°F 198849°F 197236%0%
Aug 1284°F63°F94°F 198846°F 196836%0%
Aug 1383°F63°F94°F 195344°F 198236%0%
Aug 1483°F63°F97°F 198847°F 198236%0%
Aug 1583°F63°F98°F 196544°F 196436%0%
Aug 1683°F63°F98°F 196545°F 197935%0%
Aug 1783°F63°F99°F 198848°F 197935%0%
Aug 1883°F63°F95°F 196546°F 196235%0%
Aug 1983°F62°F94°F 189246°F 195335%0%
Aug 2083°F62°F98°F 198348°F 195334%0%
Aug 2183°F62°F93°F 196845°F 195034%0%
Aug 2283°F62°F97°F 198342°F 198234%0%
Aug 2383°F62°F93°F 195944°F 197334%0%
Aug 2483°F62°F93°F 200744°F 197133%0%
Aug 2583°F62°F92°F 194845°F 195133%0%
Aug 2682°F62°F96°F 194844°F 198233%0%
Aug 2782°F61°F98°F 194846°F 194633%0%
Aug 2882°F61°F95°F 194845°F 196833%0%
Aug 2982°F61°F96°F 195338°F 198233%0%
Aug 3082°F61°F98°F 195342°F 198632%0%
Aug 3182°F61°F99°F 195346°F 194632%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brookhaven, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:19 AM, sunset 8:32 PM
August 31
sunrise 6:47 AM, sunset 7:52 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013736 (Morgantown Hart Fld), public domain. Records: NOAA GHCN-Daily, station USW00013736, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.